RandomA11y

A web tool that generates random color pairs meeting WCAG contrast requirements.

FreeProprietaryWeb
Official websiterandoma11y.com

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About RandomA11y

RandomA11y is a browser-based color playground that generates random foreground and background color combinations which pass WCAG contrast requirements. Each new pair is accessible by construction, so you can browse for ideas without checking contrast by hand.

It suits designers and developers looking for inspiration for text and background pairings, posters or interface themes where readability matters as much as appearance.

Strengths

  • Every generated pair meets WCAG contrast requirements
  • Quick way to find color ideas
  • Nothing to install

Limitations

  • Random generation rather than building a full palette
  • Focused on two-color pairs

Details

Pricing
FreeFree to use in the browser.
License
Proprietary
Platforms
Web
How it runs
Web application
Best suited for
Finding readable text and background color pairs quickly
Categories
Color tools
Last verified
Added
Provenance
Facts checked against the developer's own pages and store listings, 1 sources on file.

Alternatives to RandomA11y

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Software that can replace RandomA11y for an important use case, and what changes if you switch.

  • Colorable

    A web tool for testing the contrast of a text and background color pair against WCAG levels.

    FreeProprietaryWeb

    Colorable lets you tune a single text and background pair with HSL sliders and see the WCAG level, with a random button, instead of only generating passing pairs.

  • Accessible Colors

    A web checker that tests text and background contrast against WCAG and suggests the closest passing colors.

    FreeProprietaryWeb

    Accessible Colors starts from your own text and background pair and suggests the nearest colors that pass WCAG AA or AAA, rather than producing random passing pairs.

  • Contrast Finder

    A web tool that checks color contrast against WCAG and suggests close valid color pairs.

    FreeOpen sourceWebSelf-hosted

    Contrast Finder is open source under AGPL-3.0 and can be self-hosted, and it suggests valid colors close to a pair you enter instead of random ones.

  • Accessible Color Generator

    A web tool that finds the closest accessible variation of a brand color for a chosen background.

    FreeProprietaryWeb

    Accessible Color Generator adjusts a brand color to the nearest accessible variation for a chosen background, with AA and AAA targets, though the page promotes the developer's courses.

Similar software

Related functionality, not necessarily a direct replacement.

  • WebAIM Contrast Checker

    An online checker that tests foreground and background color contrast against WCAG AA and AAA levels.

    FreeProprietaryWeb

  • WhoCanUse

    A web tool showing how a text and background color pair looks to people with various vision conditions.

    FreeProprietaryWeb

  • Contrast Ratio

    A web tool that calculates the WCAG contrast ratio between a text color and a background color.

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  • Colour Contrast Checker

    A web tool that checks foreground and background colour pairs against WCAG contrast levels.

    FreeProprietaryWeb

  • Realtime Colors

    A web tool that previews a color palette and font pairing on a realistic page layout as you edit it.

    FreeProprietaryWeb

  • Huemint

    A web color palette generator that uses machine learning to create schemes for brands and websites.

    FreeProprietaryWeb

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